App Developer - eMobility (SaaS)

At Deftpower, we're shaping the future of electric charging every single day. Our SaaS-platform helps businesses across Europe make charging simpler, smarter, and more sustainable. With AI and intelligent software, we make sure charging works seamlessly with the energy grid, creating a greener and more stable system for everyone.

We're growing fast, thanks to a recent major investment, and there's never a dull moment! We're expanding, improving our technology and teaming up with companies in over ten countries.

About the team

You join the App team. Almost everyone here builds in React Native and that's exactly why we need you. You specialise in the Native parts of of our React Native app.

Right now we lean on an external partner for the native work on our roadmap, things like Live Activities, Apple CarPlay and Android Auto. This role brings that knowledge in house for good. you'll work closely with Linda, the teams PO, and Jason, our App Team Lead, and pair with the React Native developers whenever native and React Native code need to meet.

Our Tech Stack

The app is written in React Native with some native modules written in Swift & Kotlin. Our backend is built in C#/.NET. We are heavily using Azure Functions to keep our platform as scalable as possible. We adopt a microservice architecture where services communicate with each other mainly via the Azure Service Bus. We also have a web portal that is written in Angular.

"Everyone is driven to make customers happy, we don't just work for the sake of working."

- Florian, Team Lead

About the job

As App Developer you own the native side of our app, iOS and Android both, while staying close to the React Native codebase around it.

• Build and maintain native features like Live Activities, Apple CarPlay and Android Auto in Swift and Kotlin
• Bridge native modules into our React Native app, so the rest of the team can keep building on top without needing deep native knowledge themselves
• Take over native development that currently runs through an external partner, so this expertise lives inside the team going forward
• Keep certificates, store requirements and native release steps for iOS and Android running smoothly
• Coach and pair with your React Native colleagues whenever they run into native quirks
• Work closely with Linda as Team Lead, plus Product and Design, to turn native roadmap items into real features people use

What your new colleagues say

Anja, Office Manager ''Everyone is incredibly committed and motivated to make something of Deftpower.''

Wierd, Teamlead Smart Charging "No politics, no unnecessary hierarchy. People say what they think and are honest."

Tim, Operations ''The connection between the charging pole, the car, and our app makes us unique. It's tangible technology anyone can understand.''

Timo, Team Lead "On day 1, after onboarding, you can already deliver something for a customer. You make impact very quickly."

For you

At Deftpower you'll find more than cutting-edge tech, you'll find a team that actually enjoys the ride! Colleagues say we are ambitious, friendly and flexible, with just the right amount of chaos to keep things interesting. Working at Deftpower is both rewarding and challenging. There are many moving parts, partners, suppliers, clients and we are a fast growing company that is still learning. You get support from talented colleagues and a management team that's close, approachable and ready to roll up their sleeves. You get the space to shape your role, to take initiative, to make real decisions, test ideas, and yes, sometimes break things. We call it 'learning fast'...

• Salary range: Between €4500,- and €6000,- a month
• €2.000 training budget per year to keep learning and growing.
• Choose your own laptop to work with, up to €1.750.
• A flexible setup with hybrid working, short decision lines and a high level of trust.
• All conditions such as holiday allowance, 25 vacation days, pension, etc.

"I've never once looked at my watch hoping the day would be over. Everything I do feels meaningful."

Michael - Head of Product

About you

You've got 5+ years of experience in mobile development, with real, hands on experience in both native iOS and native Android. You don't just write native code, you also know how to make it play nice with a React Native app around it.

• You're strong in both Swift and Kotlin, iOS and Android matter equally here
• You've worked in or alongside a React Native codebase before, so bridging native modules isn't new territory
• You take real ownership of native features, from Live Activities to CarPlay and Android Auto
• You're comfortable being the specialist in a team full of generalists, and you don't mind explaining native quirks to people who mostly think in React Native
• You must have valid work visa for working in NL and you are willing to come to the office in Arnhem a few times a week
• You are a match with our values!

Our values

Drive You love turning ideas into action. You take ownership, push projects forward and get energy from creating solutions that actually work in the real world.

Earnest You do the right thing, especially when no one's watching. You're respectful, honest and reliable, colleagues know they can count on you.

Forward thinking You're curious and not afraid to try new things. You experiment, learn fast and spot opportunities before others see them coming. Calculated risks? You're in.

Transparency You believe sharing is power. You communicate openly, give constructive feedback and make your work visible so the whole team can grow together.

Join Deftpower!

Here's what you can expect when you apply at Deftpower:

We do a quick introduction with a Team Lead to see if there's a match on the basics. We'll tell you more about Deftpower and we'd love to get to know you as a person. We will ask you to work on a short case. Next, you will meet Wierd, Head of Engineering. When you are both happy you will receive an offer.

We'd love to hear about you!